64073190 has 16 divisors (see below), whose sum is σ = 153775728. Its totient is φ = 17086176.

The previous prime is 64073189. The next prime is 64073213. The reversal of 64073190 is 9137046.

It is a happy number.

It is a super-2 number, since 2×64073190² = 8210747353552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2135773 = 64073190 / (6 + 4 + 0 + 7 + 3 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067857 + ... + 1067916.

It is an arithmetic number, because the mean of its divisors is an integer number (9610983).

Almost surely, 2^64073190 is an apocalyptic number.

64073190 is an abundant number, since it is smaller than the sum of its proper divisors (89702538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64073190 is a wasteful number, since it uses less digits than its factorization.

64073190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135783.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 64073190 is about 8004.5730679406. The cubic root of 64073190 is about 400.1524210788.

The spelling of 64073190 in words is "sixty-four million, seventy-three thousand, one hundred ninety".